{"product_id":"sram-axs-ultralight-carbon-upgrade-kit","title":"SRAM AXS Ultralight Carbon Rear Derailleur Upgrade Kit | D1 \u0026 E1 Compatible | Save up to 100g","description":"\u003ch1 data-start=\"1778\" data-end=\"1804\"\u003e📌 Product Description\u003c\/h1\u003e\n\u003cp data-start=\"1805\" data-end=\"2070\"\u003eThe \u003cstrong data-start=\"1809\" data-end=\"1851\"\u003eSRAM AXS Ultralight Carbon Upgrade Kit\u003c\/strong\u003e is designed for riders chasing every gram. All structural components are crafted from \u003cstrong data-start=\"1938\" data-end=\"1964\"\u003epremium prepreg carbon\u003c\/strong\u003e, molded at \u003cstrong data-start=\"1976\" data-end=\"1990\"\u003e20,000 psi\u003c\/strong\u003e, delivering \u003cstrong data-start=\"2003\" data-end=\"2034\"\u003estrength equal to OEM parts\u003c\/strong\u003e with a major reduction in weight.\u003c\/p\u003e\n\u003cp data-start=\"2072\" data-end=\"2349\"\u003eA full conversion saves \u003cstrong data-start=\"2096\" data-end=\"2112\"\u003eup to ~100 g\u003c\/strong\u003e, bringing total derailleur weight down to \u003cstrong data-start=\"2155\" data-end=\"2165\"\u003e~210 g\u003c\/strong\u003e in optimized builds. Because \u003cstrong data-start=\"2195\" data-end=\"2248\"\u003eForce and Red (D1\/E1) share identical motor units\u003c\/strong\u003e, you can repurpose a Force derailleur into a build lighter than Red OEM at a fraction of the cost.\u003c\/p\u003e\n\u003cp data-start=\"2351\" data-end=\"2507\"\u003e\u003cstrong data-start=\"2351\" data-end=\"2372\"\u003e33T and 36T cages\u003c\/strong\u003e are available (36T body shipping end of year). \u003cstrong data-start=\"2420\" data-end=\"2478\"\u003eD1 versions are directly compatible with 36T cassettes\u003c\/strong\u003e for expanded range setups.\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ch1 data-start=\"528\" data-end=\"545\"\u003e🔥 Highlights\u003c\/h1\u003e\n\u003cul data-start=\"546\" data-end=\"1324\"\u003e\n\u003cli data-start=\"546\" data-end=\"679\"\u003e\n\u003cp data-start=\"548\" data-end=\"679\"\u003e\u003cstrong data-start=\"548\" data-end=\"574\"\u003eMassive Weight Savings\u003c\/strong\u003e: Full upgrade reduces weight by \u003cstrong data-start=\"607\" data-end=\"623\"\u003eup to ~100 g\u003c\/strong\u003e. Lightest builds as low as \u003cstrong data-start=\"651\" data-end=\"661\"\u003e~210 g\u003c\/strong\u003e (Red\/Force E1).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"680\" data-end=\"846\"\u003e\n\u003cp data-start=\"682\" data-end=\"846\"\u003e\u003cstrong data-start=\"682\" data-end=\"713\"\u003ePremium Carbon Construction\u003c\/strong\u003e: Made from \u003cstrong data-start=\"725\" data-end=\"753\"\u003etop-grade prepreg carbon\u003c\/strong\u003e, formed under \u003cstrong data-start=\"768\" data-end=\"791\"\u003e20,000 psi pressure\u003c\/strong\u003e, ensuring stiffness and durability \u003cstrong data-start=\"827\" data-end=\"843\"\u003eequal to OEM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"847\" data-end=\"952\"\u003e\n\u003cp data-start=\"849\" data-end=\"952\"\u003e\u003cstrong data-start=\"849\" data-end=\"872\"\u003eBroad Compatibility\u003c\/strong\u003e: Supports \u003cstrong data-start=\"883\" data-end=\"903\"\u003eSRAM AXS D1 \u0026amp; E1\u003c\/strong\u003e platforms (Red, Force, Rival, including XPLR).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"953\" data-end=\"1064\"\u003e\n\u003cp data-start=\"955\" data-end=\"1064\"\u003e\u003cstrong data-start=\"955\" data-end=\"974\"\u003eModular Options\u003c\/strong\u003e: Choose from \u003cstrong data-start=\"988\" data-end=\"1007\"\u003e33T \/ 36T cages\u003c\/strong\u003e, inner \u0026amp; outer arms, link plates, or the complete kit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1065\" data-end=\"1211\"\u003e\n\u003cp data-start=\"1067\" data-end=\"1211\"\u003e\u003cstrong data-start=\"1067\" data-end=\"1089\"\u003eSmart Upgrade Path\u003c\/strong\u003e: \u003cstrong data-start=\"1091\" data-end=\"1137\"\u003eForce and Red (D1\/E1) share the same motor\u003c\/strong\u003e – build a superlight RD from a used Force unit, lighter than stock Red!\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1212\" data-end=\"1324\"\u003e\n\u003cp data-start=\"1214\" data-end=\"1324\"\u003e\u003cstrong data-start=\"1214\" data-end=\"1227\"\u003e36T Ready\u003c\/strong\u003e: 36T main cage expected by year-end; \u003cstrong data-start=\"1265\" data-end=\"1271\"\u003eD1\u003c\/strong\u003e versions are directly compatible with 36T cassettes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1326\" data-end=\"1329\"\u003e\n\u003ch1 data-start=\"1331\" data-end=\"1369\"\u003e📌 Compatibility (Upgradeable RDs)\u003c\/h1\u003e\n\u003cul data-start=\"1370\" data-end=\"1677\"\u003e\n\u003cli data-start=\"1370\" data-end=\"1405\"\u003e\n\u003cp data-start=\"1372\" data-end=\"1405\"\u003e\u003cstrong data-start=\"1372\" data-end=\"1386\"\u003eRed D1 AXS\u003c\/strong\u003e: ~298 g ➝ ~235 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1406\" data-end=\"1443\"\u003e\n\u003cp data-start=\"1408\" data-end=\"1443\"\u003e\u003cstrong data-start=\"1408\" data-end=\"1424\"\u003eForce D1 AXS\u003c\/strong\u003e: ~335 g ➝ ~235 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1444\" data-end=\"1514\"\u003e\n\u003cp data-start=\"1446\" data-end=\"1514\"\u003e\u003cstrong data-start=\"1446\" data-end=\"1462\"\u003eRival D1 AXS\u003c\/strong\u003e: supported (target ~245–255 g depending on setup)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1515\" data-end=\"1565\"\u003e\n\u003cp data-start=\"1517\" data-end=\"1565\"\u003e\u003cstrong data-start=\"1517\" data-end=\"1534\"\u003eForce D1 XPLR\u003c\/strong\u003e: supported (33T\/36T options)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1566\" data-end=\"1601\"\u003e\n\u003cp data-start=\"1568\" data-end=\"1601\"\u003e\u003cstrong data-start=\"1568\" data-end=\"1582\"\u003eRed E1 AXS\u003c\/strong\u003e: ~282 g ➝ ~220 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1602\" data-end=\"1639\"\u003e\n\u003cp data-start=\"1604\" data-end=\"1639\"\u003e\u003cstrong data-start=\"1604\" data-end=\"1620\"\u003eForce E1 AXS\u003c\/strong\u003e: ~310 g ➝ ~220 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1640\" data-end=\"1677\"\u003e\n\u003cp data-start=\"1642\" data-end=\"1677\"\u003e\u003cstrong data-start=\"1642\" data-end=\"1658\"\u003eRival E1 AXS\u003c\/strong\u003e: ~330 g ➝ ~240 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-start=\"1679\" data-end=\"1771\"\u003e\n\u003cp data-start=\"1681\" data-end=\"1771\"\u003eNote: final weight varies depending on configuration, pulley wheels, and hardware choices.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"marioti","offers":[{"title":"D1 \/ 33T Main Body 4-pc Kit","offer_id":54474811801868,"sku":null,"price":287.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Hollow Outer Cage — Specify in Order Notes","offer_id":54474811900172,"sku":null,"price":118.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Inner Cage","offer_id":54474811965708,"sku":null,"price":86.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Cage Pivot Pins (Not Required for RED)","offer_id":54822657589516,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Carbon Pulley Cage Plate Set — Inner + Outer","offer_id":54474811998476,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Full Set (includes 1x Carbon Battery Cover)","offer_id":54474812031244,"sku":null,"price":789.9,"currency_code":"USD","in_stock":true},{"title":"E1 \/ 36T Main Body 4-pc Kit","offer_id":54474812064012,"sku":null,"price":287.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Hollow Outer Cage — Specify in Order Notes","offer_id":54474812096780,"sku":null,"price":118.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Inner Cage","offer_id":54474812162316,"sku":null,"price":86.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Carbon Pulley Cage Plate Set — Inner + Outer","offer_id":54474812195084,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Full Set (includes 1x Carbon Battery Cover)","offer_id":54474812227852,"sku":null,"price":789.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/6454\/9388\/files\/01_8ab9d939-40d3-4992-917f-d7815055ed76.png?v=1758258470","url":"https:\/\/www.spartsti.com\/de\/products\/sram-axs-ultralight-carbon-upgrade-kit","provider":"S-PARTS","version":"1.0","type":"link"}